287 results found
Medical tests
… Cortisol levels can be affected by many things, such as physical or emotional stress, strenuous activity, infection, or injury. Normally, cortisol levels … hormone. How To Prepare You may be asked to avoid strenuous physical activity the day before the test. Be sure to drink …
Medical tests
… on bedrest for a long time after a broken bone. Paget's disease . Low values Low values of calcium may be caused by: … , laxative use, and other things. Malnutrition caused by diseases such as celiac disease , pancreatitis , and alcohol use disorder . …
Medical tests
… of the spine. They may be taken to find injuries or diseases that affect the discs or joints in your spine. … Check the spine for problems present at birth (congenital conditions), such as spina bifida , in infants, children, or … collar) in place, X-ray pictures may be taken and a physical examination done to see whether the brace can be …
Medical tests
… Prepare To prepare for a thyroid scan: You may need to stop eating for several hours before the test. You may need to … It can also show areas in the thyroid gland where the activity is less than normal (cold nodules ) or more than … Prepare To prepare for a thyroid scan: You may need to stop eating for several hours before the test. You may need to …
Medical tests
… done together with a fetal ultrasound. This is called a biophysical profile (BPP). How To Prepare If you smoke, you … done together with a fetal ultrasound. This is called a biophysical profile (BPP). How To Prepare If you smoke, you …
Medical tests
… scan. Watch or treat colon problems like inflammatory bowel disease (IBD) . Check for the cause of long-term, … granola. Follow your doctor's directions about when to stop eating solid foods and drink only clear liquids. You can … granola. Follow your doctor's directions about when to stop eating solid foods and drink only clear liquids. You can …
Medical tests
… doctor may do this test to look for certain types of heart disease. Or it may be done to see how disease is affecting … your doctor's instructions exactly about when to stop eating and drinking before the test. This may be about 8 … your doctor's instructions exactly about when to stop eating and drinking before the test. This may be about 8 …
Medical tests
… fatigue, or bruising. A CBC also helps him or her diagnose conditions, such as anemia , infection, and many other … low. Why It Is Done A CBC may be done as part of a regular physical examination. There are many other reasons that a … include dehydration , diarrhea or vomiting, excessive sweating, and the use of diuretics . The lack of fluid in the …
Medical tests
… low-carbohydrate or high-fat diet. Are starving or have an eating disorder, including disorders that result in poor … of ketones, may be important to your doctor as well. Many conditions can change ketone levels. Fasting usually causes … low-carbohydrate or high-fat diet. Are starving or have an eating disorder, including disorders that result in poor …
Medical tests
… kidneys are working normally. To find out if your kidney disease is changing. To see how well the kidneys work in … blood flow to the kidneys. Dehydration . Muscle injury and conditions. These include crush injuries, burns, … disease or serious kidney damage. Kidney damage can be from conditions such as a life-threatening infection, shock, …
